sequelize/sequelize — pull request #2754 by phanect (2014-12-19 10:05:06+00:00)
Title: Show appropriate error message for model validation error

Before:
Possibly unhandled SequelizeValidationError: Validation error
at /home/phanect/dev/notel-api/node_modules/sequelize/lib/instance-validator.js:150:14
...

After:
Possibly unhandled SequelizeValidationError: field_name cannot be null
at /home/phanect/dev/notel-api/node_modules/sequelize/lib/instance-validator.js:150:14
...